Solve 3+9:4*2

$$3 + 9 : 4 \cdot 2$$

Evaluate

$$\frac{15}{2}=7.5$$

Solution Steps

Express \frac{9}{4}\times 2 as a single fraction.

$$3+\frac{9\times 2}{4}$$

Multiply 9 and 2 to get 18.

$$3+\frac{18}{4}$$

Reduce the fraction \frac{18}{4} to lowest terms by extracting and canceling out 2.

$$3+\frac{9}{2}$$

Convert 3 to fraction \frac{6}{2}.

$$\frac{6}{2}+\frac{9}{2}$$

Since \frac{6}{2} and \frac{9}{2} have the same denominator, add them by adding their numerators.

$$\frac{6+9}{2}$$

Add 6 and 9 to get 15.

$$\frac{15}{2}$$

Factor

$$\frac{3 \cdot 5}{2} = 7\frac{1}{2} = 7.5$$